Apparatus and method of wet treating textile threads



M. SCHOENFELD APPARATUS AND METHOD OF WET TREATING TEXTILE THREADS Filed Nov. 21, 1928 2 Sheets-Sheet M. SCHOENFELD 1.719.730

APPARATUS AND METHOD OF WET TREATING TEXTILE THREADS July 2, 1929.

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UNITED STATES MORRIS SCHOENFELD, 0F ZURICH, SWITZERLAND.

APPARATUS Annmrn'non or WET 'rREArme TEXTILE THREADS.

Application filed November 21, 1928, Serial No. 321,025, and in Switzerland January 16, '1928. I

lhis invention relates to the art of winding The spool according to Figs. 1 and 2 comund wet-treating textile threads, and the, prises a stationary part in the shape of a invention specifically considered, involves cyllndrlcal cover 1, having longitudinal slots winding the thread on a spool constructed with radially movable parts to change its diameter, the diameter being greatest for winding the thread and thereafter diminished for decreasingthe tension in the woundup goods, the latter, together with the spool forming one closed unit so that after closing the ends of the s 001 the treatment liquid supplied from insi e or outside can only pass through the wound-up goods.

It is the object of the invention to. prevent the liquid used in the wet treatment from flowing at the side of thewo'und up goods through the convex surface of the spool so that the consumption of the treatment liquid is decreased to the least possible amount.

The invention consists in Whatever is described by or is included within the terms or scope of the appended claims.

In the accompanying drawing: Fig. 1 shows in cross-section one emb0diment of my invention with the longitudinal diameter-changing parts moved inwardly;

Fig. 2 is partly an elevation and partly a longitudinal section of the spool;

Fig. 3 shows in cross-section a second embodiment with the longitudinal diameter changing parts moved inwardly;

Fig. 4 shows an endgortion of this spool partly in elevation an partly in a longitudinal section;

Figs. 5 and 6' are views similar to Figs..3 and 4 of the invention, in another embodiment;

Fig. 7 is a view in cross-section of a fourth embodiment with its. longitudinal parts moved inwardly;

Fig. 8 is a view of this. spool with partsshown in longitudinal section, and parts inelevation;

- Fig. 9 is a section correspond ng to that of Fig. 7, the longitudinal parts being moved outwardly;

' Figs. 10 and 11 are views similar to Figs; 1

"and '2 of afifth embodiment of the invention;

' i Fig. 12 shows the unit in the liquid recepe0 L taele. l

'2, arranged on its circumference, which, ac-

cording to the drawing, are covered by longi.- tudinal parts 3, shaped as segments in crosssection. These longitudinal parts, 3, which are guided to be radially displaceable by A project in the longitudinal direction of the spool somewhat beyond the extent of the row of apertures 5 and of the longitudinal slots 2, respectively, so that liquid, which is supplied in the outward or inward direction to the wound up goods A, cannot escape at the end parts of the spool, where it would pass unused, but is forced to flow through the goods A. In their inwardly moved position the longitudinal parts, 3, occupying larger areas of .the convex surface "of the spool, rest on the stationary part 1, of the vspool whereby the circular circumferential 1.

line of the spool is interrupted from one longitudinal'part to the other longitudinal, 3

part. With this construction, larger areas of theconvex surface of the spool are movably arranged outside of the stationary part of the convex surface of'the spool.

When the thread A is being wound on the spool the longitudinal parts 3, are in their outermost position in which they are, for instance, secured b a mandrel on which'the spool is pushed an on which the heads of the pins 4, rest. Afterwards, tension in the wound up threads is reduced by inwardly moving the longitudinal parts, 3, of the spool in order to be subjected to the wet-treatment'.

The spool accordingto Figs..3- and 4, differs from that described above inasmuch as de-; pressions 6, are pressed into the cover 1, in which depressions the longitudinal parts 3, I

are housed so that the latter together with the stations.

cover of the spool form a circular circum erential line or, a closed convex' surface respectively; thereby a very favorable bearing surface is provided for the loosened wound-up goods. With this construction, one row of apertures 7, is provided in the stationary part 1, of the spool between every two depressions 6. p

The spool as shown in Figs. 5 and 6 differs from the foregoing example inasmuch as the depressions, are solely formed by tongue parts pressed into the stationary part 1, of the spool, which tongues limit the ends of longitudinal slots 2', provided in the cover 1, of

the spool.

In the construction illustrated in Figs. 7-9, the spool is provided with ring-shaped end 1 parts 1, rigidly connected to each other by face is continuous, as is shown in Fig. 9. The

longitudinal parts .3 are provided with two rows of apertures, 5.

The spool illustrated in Figs. 10 and 11 is provided at its ends with ring-shaped parts 1 1, rigidly connected to each other by means of bars, 9. In the latter longitudinal parts 3, .are radially displaceable and ided b pins 4 provided with heads. The ongitudlnal' parts 3 form a ring-shaped convex surface provided with longitudinal slots 10. The longitudinal parts 3 are each provided with two rows of apertures 5.

, When the thread A is wound on the spool the longitudinal parts of the latter are on their outermost position in which they are secured, for instance, by a mandrel on which the spool is pushed and against which the heads of the pins bear. Also with the longitudinal parts in their outermost position these partsform a closed continuous convex surface as is shdwn in Fig. 9, for exa 1e.

Thdwound-up goods A forme for instance, of artificial silk, extend somewhat further in the longitudinal direction of the s 001 than the rows of apertures 5, or beyond the inner edge of the end parts '1,- respectively, so that liquid su plied from outside or inside'the spool to t substantially through these goods and does not escape at the ends of the spool.

After thethread A has been wound on the spool the longitudinal parts 3 of the latter are'moved inwardly. The wound-up goods form together with the spool one closed unit, as the wound-up threads are still under sulficient tension to maintain their position on the spool. In this state the spool according .through the goods between the e wound-upgoods A flows to Fig. 12 is verticall placed into. the liquid receptacle 12, one en part 1, being inserted in the flange 13, of a lower supporting member 14, whilst over the upper end part of the spool a cover disc 16, provided with a flange 15, is placed. The cover disc 16 is slidably mounted on a conduit 18 supplyin the liquid and is urged against the spool y a compression spring 17. The rece tacle 12, is provided with an emptying con uit 20 in which a cock, 19 is inserted and with a discharge conduit 23, having a cock 22, and leading to a suction pump 21.

The liquid serving for the wet-treatment of the goods A wound upon the spool may be forced through the goods by pressure or suction action. In the first case the liquid under pressure is supplied by means of the conduit 18, to the interior of the spool from where it passes through the goods and flows off through the conduit, 20. In the second case the liquid is placed in the receptacle 12, item which it is sucked throu h the woundup goods A by the pump 21, and is discharged by the conduit, 23. t

What I claim is: i

1. As an improvement in the treatment of textile threads, a method which includes the steps of winding the threads upon a hollow holder then relaxing the threads while dn the holder, and then causing flow of liquid exterior and the interior of the holder.

.2. As an improvement in the treatment of textile threads,.a method which includes the steps of winding the threads upon a hollow holder then relaxing the threads while on the holder, and then causing flow of liquid through the goods between the exterior and the interior of the holder, the flow of liquid taking place only within the limits of the thread on the spool.

1 3. As an improvement in the treatment of textile threads, a method which includes winding threads upon a hollow holder, then reducing the diameter of the holder to relax the threads thereon while maintaining a tenthan through the body of threads on the exterior of the holder, causing the -flow of liquid through the body of threads between the inside and outside of the holder.

, ing means for permitting liquid flow between the exterior and interior of the spool and sion of the threads that will retain their posi- 4. As an improvement in the treatment of having movable thread-engaging clrcumferential portions, saidportions when moved inward substantially closing the s 001 circumference to the passage of liqui beyond the thread-encircling portions of the spool.

- 5. As an improvement in the treatment of textile threads, apparatus for the-wet-treatmerit thereof, comprising a hollow spool having means for permitting li uid -flow" between 5 the exterior and interior of t e sgool and hev- 'ing radially movable convex t read receiving portlons and stationary portions towards and irom which saith movable portions are movable and with which they contact when moved inward whereby liquid flow lit the 10 places of contact is prevented.

' In testimony whereof I hereunto aflix' my signature. I

MORRIS SCHOENFELD. 

